Action to perform before the build. This will be run on the host
OS even if Docker is enabled for builds. The build config is not
available in this action, since that would require build tools to be
installed on the host OS.

Action to perform after the build. This will be run on the host
OS even if Docker is enabled for builds. The build config is not
available in this action, since that would require build tools to be
installed on the host OS.